package cn.tedu.egweibo1.controller;

import cn.tedu.egweibo1.mapper.UserMapper;
import cn.tedu.egweibo1.pojo.dto.UserLoginDTO;
import cn.tedu.egweibo1.pojo.dto.UserRegDTO;
import cn.tedu.egweibo1.pojo.entity.User;
import cn.tedu.egweibo1.pojo.vo.UserVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Date;

@RestController
@RequestMapping("/v1/users/")
public class UserController {
    @Autowired
    private UserMapper userMapper;
    /** 1.注册功能 */
    @RequestMapping("reg")
    public int Reg(@RequestBody UserRegDTO userRegDTO){
      UserVO userVO =  userMapper.selectUser(userRegDTO.getUsername());
      if (userVO!=null){
          return 2;
      }
        User user = new User();
        BeanUtils.copyProperties(userRegDTO,user);
        user.setCreated(new Date());
       userMapper.insertUser(user);
         return 1;
    }

    /** 2.登录功能 */
    @RequestMapping("login")
    public int login(@RequestBody UserLoginDTO userLoginDTO,HttpSession session){
        UserVO userVO =userMapper.selectUser(userLoginDTO.getUsername());
        if (userVO==null){
            return 3;
        }
        if (userLoginDTO.getPassword().equals(userVO.getPassword())){
            session.setAttribute("user",userVO);
            return 1;
        }
        return 2;
    }

    /** 3.获取当前用户功能 */
    @RequestMapping("currentUser")
    public UserVO currentUser(HttpSession session){
        UserVO userVO = (UserVO) session.getAttribute("user");
        return userVO;
    }

    /** 4.退出登录 */
    @RequestMapping("logout")
    public void logout(HttpSession session){
        session.removeAttribute("user");
    }
}
